Mischa Barton was rushed to the hospital last night after suffering an adverse reaction to medication.� TMZ� reports that it was a combination of antibiotics the actress had been taking for bronchitis, and alcohol.� Perez Hilton, who claims to have sources who were inside the party, is saying it was mushrooms and cocaine.

Everyone seems to be in agreement that the former “OC” star was at a friend’s Memorial Day BBQ enjoying a few holiday cocktails when she began to feel extremely ill.

The 21-year-old celeb was rushed to an undisclosed medical facility in Los Angeles, where we are told she is “resting comfortably.”

A rep for Barton says that the starlet is with family and “feeling much better.”

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